详细情况

By means of time-resolved laser-induced fluorescence spectroscopic technique, two samples of Er3+∶YAG with 10.5% and 8.4% concentrations were resonantly excited with ultraviolet lasers at 262 nm and 276 nm, and the fluorescence spectra were recorded and the peak transitions were assigned in detail.

利用时间分辨激光诱导荧光光谱技术，用262 nm和276 nm紫外激光对原子数分数为x(Er3+)=10.5%和x(Er3+)=8.4%两种情况下Er3+∶YAG晶体的4D5/2和2H9/2能级分别共振激发，记录了每种情况下的荧光发射谱，对其中所有荧光谱峰对应的能级跃迁做了详细标定。

The application fields and market situation of resorcinol in the United State, west Europe and Japan were narrated in detail. Meanwhile, the domestic consumption of resorcinol in different fields, its import and export situation were analyzed. And the expansion, newly construction of resorcinol units in China were summarized.

详细概述了美国、西欧和日本间苯二酚的应用领域及市场现状；同时还分析了国内间苯二酚在各领域的消耗和近几年的进出口情况，并对国内扩建以及新建的间苯二酚装置情况进行了全面的总结。

Detailed information can be restored according to their own circumstances.

详细的情况可以根据自己的恢复情况而定。

It is discovered that different discharging conditions apparently influences on laser output. The selective absorption of this kind of laser material for pump light and the difference radiation spectrum of the lamp which is related with the discharging conditions result in this kind of phenomenon.

在实验中还发现不同的放电情况对激光器的输出也具有较大的影响，文章进行了详细的分析，指出这种现象是由于不同的放电情况使闪光灯的发光光谱发生变化，而这种激光晶体对泵浦光进行了选择性吸收所导致的。

Liu Yu-shan of the rainfall observation field, the water level self-recording wells, test equipment, ships and other facilities for serious and careful examination, test section to learn more about the situation, the measured flow of the program, as well as various types of facilities and equipment usage and maintenance.

刘玉山对雨量观测场、水位自记井、测船等设施设备进行认真细致的检查，详细了解测验断面情况、测流方案，以及各类设施设备使用和维护情况。

In this paper the semiconductor light emitting diode, including its development, the interior structure and the work principle was introducesd. Meanwhile, also on the development of solar , and its components of the structure, working principle done a detailed introduction .

本文介绍了半导体发光二极管LED的发展情况、内部结构、工作原理，同时还对太阳能的发展情况、及其组件的结构、工作原理做了详细的介绍。

Based on an analysis of the natural, social and economic situations of flood plain in lower reach of Yellow River as well as the status of harnessing, this paper elaborates the problems facing the area, such as flood menace, serious status of suspended river, severe disasters of drought and waterlog, single production structure, implementation of flood plain policies and sluggish safety construction of flood plain.

在敍述黄河下游滩区白然情况、社会经济情况、滩区治理现状的基础上，详细论述了黄河下游滩区存在的问题。由於黄河水沙问题复杂，治理难度大，滩区治理开发也受到限制，目前存在的主要问题是：l洪水威胁依然存在；2悬河形势严峻、河势尚未有效控制；3滩区旱涝灾害严重；4滩区产业结构单一；5滩区政策落实不到位；6滩区安全建设状况严重滞后。

The principle and design of bolting and shotcrete lining is expounded in detail in this article.

本文还详细阐述了喷锚支护的原理和设计原则，分析讨论了采动压力引起巷道变形及破坏的情况，对无支护及有支护情况下的软岩巷道的位移、应力及应变进行了模拟计算，并提出了相应的防治技术措施，这对软岩巷道的设计与施工具有一定的工程实际指导意义。

The development of the lead free cutting brass containing bismuth and graphite/copper composite was summarized.It can be concluded that the key points for cutting brass containing no lead are the choices of elements which can form brittle but not hard intermetallics and procedure which can make the intermetallics distribute dispersively.

详细介绍国外无铅易切削铋黄铜研究开发的一些成果和石墨/铜合金复合材料的研究情况，总结国内无铅易切削铜合金的研究情况，结合自己的研究结果，指出无铅易切削铜合金的研究方向是采用适当的元素形成脆而不硬的金属间化合物，并采用一定的加工手段使其呈弥散分布。

At the same time,dynamical characters of stronglynonlinear system under nonresonant and resonant conditions is analyzed in de-tail,the frequency-response curves and stable ranges are drawn,and validity ofthis method is proved through comparison with the well-known results.

同时，详细分析了非共振和共振情况下强非线性系统的动力学性态，给出了各种不同情况下的频率响应曲线及周期解的稳定区域，并通过与现有的众所周知的结果的比较，表明了映射迭代法的正确性及实用性。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。